Finding the Fourth Proportional to 399,529.84, 599,336.88 and 133,197.52
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Solution
The fourth proportional to 399,529.84, 599,336.88 and 133,197.52 is: 199,810.32
Step by Step Solution
- Step 1: Write the proportion equation
399,529.84 : 599,336.88 = 133,197.52 : x - Step 2: Convert to fraction form
399,529.84/599,336.88 = 133,197.52/x - Step 3: Cross multiply
399,529.84x = 599,336.88 × 133,197.52 - Step 4: Simplify right side
399,529.84x = 79,830,186,060.54 - Step 5: Solve for x
x = 79,830,186,060.54/399,529.84 - Step 6: Final answer
x = 199,810.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.